Re: Am I an open relay?

[Noel Jones]

Dave wrote:
Hi,
        Thanks for your reply. For reject_unverified_sender  what would be a
better way of dealing with it?
Thanks.
Dave.

http://www.postfix.org/ADDRESS_VERIFICATION_README.html#forged_sender

Or decide if it really offers much value to your filtering. 
Most mail that would be rejected due to undeliverable sender 
can be rejected other ways.

  -- Noel Jones